#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
class Date
{
public:
	int _year;
	int _month;
	int _day;
public:
	Date(int year = 2022, int month = 2, int day = 23)
		:_year(year)
		, _month(month)
		, _day(day)
	{
	}
};
